As the electroplating pure copper layer on copper alloy exceeds a critical thickness, the surface electroplating treatment can improve the copper alloy's resistance against oxidation failure greatly.
当铜合金表面的电镀纯铜层厚度超过一个临界值，表面电镀纯铜处理可以明显改善材料的耐氧化剥离性。
The unsuitable carbonitriding process, internal oxidation, over deep depth of carbonitrided layer and crust like C N compound on the surface are the main reasons to cause fracture.
碳氮共渗工艺选择不当，共渗层过深，表面出现壳状碳氮化合物、内氧化等缺陷组织是造成其断裂的主要原因。
B, barrier type protective effect when the cold sprayed zinc coating is oxidation, will produce a layer of zinc salt in the coating surface to provide barrier protection.
屏障式保护作用当冷喷锌涂料被氧化时，会在涂料表面产生一层锌盐层来提供屏障保护。
A layer of ceramic film is produced by micro plasma oxidation on the surface of ti alloy in order to improve its corrosion resistant property.
为提高钛合金的耐腐蚀性能，在其表面用微等离子体氧化法生长一层陶瓷膜。
The effect of electron beam surface solidification treatment on microstructure of superalloy M38G and oxidation resisfance of solidified layer has been studied.
采用电子束表面熔凝处理方法研究了电子束表面熔凝处理M38G高温合金熔凝层组织和熔凝层组织对高温氧化的影响。
It is researched the preparation of ceramic layer on the surface of M5 zirconium alloy by high-frequency induction oxidation process in active flow oxygen medium and in dry air.
在活性氧流动介质和干空气中，用高频感应氧化工艺在M5锆合金表面生成氧化锆陶瓷膜进行了研究。
However, during hot rolling, cooling and annealing process, a complex oxide structure layer will form on the surface of stainless steel due to oxidation.
但在热轧、冷却及退火等过程中，不锈钢工件的表面因氧化会产生一层结构比较复杂的氧化皮。
The methods of modification included the surface covering of graphite with a layer of disorganized carbon or a film of appropriate metal, surface oxidation, mechanical grinding and doping.
修饰与改性方法包括形成包敷层和金属层、表面氧化、机械研磨以及掺杂等方法。
Oxidation happened on the surface of infiltrated layer when thermal cycling times was less than 20, and no cracks was observed.
结果表明：热循环次数小于20次时，渗层表面主要产生氧化，无裂纹产生；
The external oxidation will lead to chromium dilution in the surface layer of alloy, and the internal oxidation will decrease the strengthening effect of solution and aging treatment.
外氧化使合金表面贫铬；内氧化将降低合金固溶时效强化效果。
Titanium ion implantation formed compounds and alleviated the oxidation of the ferric element in the surface layer.
并在表面形成化合物，减轻了材料表面铁元素的氧化；
The conductive surface layer could also be removed by oxidation using oxygen plasma treatment.
采用氧等离子体处理可以使金刚石薄膜的表面导电性能消失。
Compared with the simulation result of wastewater-sludge two-phase model, this model is shown to better model the velocities of upper layer and surface layer of oxidation ditches.
通过与污水-污泥两相模型的模拟结果对比发现，采用该模型能够更好的模拟氧化沟上层和表层的流速。
In this paper, silicon oxidation layer was fabricated on plastic surface using sol-gel method, and the fabricated SiO_2 layer was used to extract DNA.
本文用溶胶-凝胶法在塑料表面制作二氧化硅涂层，并利用制作的二氧化硅层来提取DNA。
In this paper, silicon oxidation layer was fabricated on plastic surface using sol-gel method, and the fabricated SiO_2 layer was used to extract DNA.
本文用溶胶-凝胶法在塑料表面制作二氧化硅涂层，并利用制作的二氧化硅层来提取DNA。
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